| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 01/13/2000 | CA2336435A1 Data switch |
| 01/13/2000 | CA2333421A1 Method and apparatus for bit synchronization in optical communication and networking systems |
| 01/13/2000 | CA2303219A1 Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer |
| 01/12/2000 | EP0971500A2 Optical time-division-multiplex system |
| 01/12/2000 | EP0971495A2 Optical transmission system with third order dispersion effect reduction |
| 01/12/2000 | EP0971494A1 Quasi-distributed amplification in a soliton WDM transmission |
| 01/12/2000 | EP0971493A2 Chromatic dispersion and nonlinearity compensation in optical fibre communication |
| 01/12/2000 | EP0971492A2 Receiver for an optical HF-signal transmission link |
| 01/12/2000 | EP0971491A1 IrDA MODULATION/DEMODULATION INTEGRATED CIRCUIT DEVICE |
| 01/12/2000 | EP0971490A1 IrDA MODULATION/DEMODULATION INTEGRATED CIRCUIT DEVICE |
| 01/12/2000 | EP0970572A1 Optical transmission device and method for checking transmission in an optical transmission device |
| 01/12/2000 | EP0880717A4 Optical interface for sealed environments |
| 01/12/2000 | CN1241330A Distributed fibre amplifier for solitons |
| 01/12/2000 | CN1241329A Space optical transmission apparatus and space optical transmission method |
| 01/12/2000 | CN1241075A 光网络 Optical Network |
| 01/12/2000 | CN1241053A Lightwave and photoelectronic semiconductor devices with non-parallel cavities structure and method for carrying out same |
| 01/12/2000 | CN1240944A Method for optical fiber communication, and terminal device and system for use in carrying out the method |
| 01/11/2000 | US6014481 Device for coupling and decoupling optical signals of two transmission channels |
| 01/11/2000 | US6014480 Optical energy selector apparatus and method |
| 01/11/2000 | US6014479 High channel density wavelength division multiplex (WDM) optical transmission system and method with negligible four-wave mixing (FWM) penalty |
| 01/11/2000 | US6014478 Optical switch |
| 01/11/2000 | US6014414 Synchronization-message-based active reference switching unit |
| 01/11/2000 | US6014392 Drive circuit for electro-absorption modulator and optical transmitter employing the same |
| 01/11/2000 | US6014248 Wavelength division multiplexed optical signal amplifier |
| 01/11/2000 | US6014243 FM modulators |
| 01/11/2000 | US6014239 Optical microphone |
| 01/11/2000 | US6014238 Apparatus for communication by an electronic device and method for communicating between electronic devices |
| 01/11/2000 | US6014237 Multiwavelength mode-locked dense wavelength division multiplexed optical communication systems |
| 01/11/2000 | US6014236 Optical broadcast communication |
| 01/11/2000 | US6014235 Optical-loop buffer that enhances the extinction ratio of the buffered signal |
| 01/11/2000 | US6014092 Key mover |
| 01/11/2000 | US6014061 Front-end amplification circuit |
| 01/11/2000 | US6012855 Method and apparatus for parallel optical data link |
| 01/06/2000 | WO2000001106A1 Method for detecting and/or controlling the transmission wavelengths of transmitting elements of an optical wavelength multiplex transmission unit and a corresponding wavelength multiplex transmission unit |
| 01/06/2000 | WO2000001101A2 Thermal tuning of optical amplifiers in wdm systems |
| 01/06/2000 | WO2000001098A1 Dispersion compensating element having substantially uniform spectral nonlinearity |
| 01/06/2000 | WO2000001097A1 Method and device for optically transmitting data via optical waveguides |
| 01/06/2000 | WO2000001096A1 Infrared communication system for simulated wargame |
| 01/06/2000 | WO2000001081A1 Optical amplification relay system |
| 01/06/2000 | WO2000001045A1 Optically modulated laser beam transceiver |
| 01/06/2000 | WO1999014915A3 Process scheduling in computer network |
| 01/06/2000 | CA2335249A1 Thermal tuning of optical amplifiers in wdm systems |
| 01/06/2000 | CA2302683A1 Dispersion compensating element having substantially uniform spectral nonlinearity |
| 01/06/2000 | CA2301595A1 Optical amplification relay system |
| 01/06/2000 | CA2276905A1 Near-distributed amplification in a solitary-signal fibre optic transmission system |
| 01/06/2000 | CA2275739A1 Unit used to compensate for polarization dispersion of channels in a wavelength-division multiplexing signal |
| 01/05/2000 | EP0969621A2 Optical scale communications network having a full meshed optical core transport network |
| 01/05/2000 | EP0969620A2 WDM optical communications networks and method for provisioning |
| 01/05/2000 | EP0969619A2 Survivable optical network |
| 01/05/2000 | EP0969613A2 Method for monitoring the signal quality in optical networks |
| 01/05/2000 | EP0969611A2 Apparatus for communicating diversity signals over a transmission medium |
| 01/05/2000 | EP0968579A1 Multiple stage optical fiber amplifier |
| 01/05/2000 | DE19926463A1 Monitoring method for optical transmission devices |
| 01/05/2000 | DE19828971A1 Verfahren zur Überwachung der Signalqualität in optischen Netzen Method for monitoring the signal quality in optical networks |
| 01/04/2000 | US6011921 Intermediate communication controller that sends transmission data in a predetermined order to a corresponding slave unit upon request from a master controller |
| 01/04/2000 | US6011892 Optical fiber for wavelength division multiplexing |
| 01/04/2000 | US6011886 Recoatable temperature-insensitive long-period gratings |
| 01/04/2000 | US6011645 EDFA for amplifying transmitted light by dividing an exciting pump power in two directions |
| 01/04/2000 | US6011638 Dispersion tapered optical fibers for use in WDM soliton transmission systems |
| 01/04/2000 | US6011637 Optical network unit and center of an optical communication network |
| 01/04/2000 | US6011623 Fault detection system for an amplified optical transmission system |
| 01/04/2000 | US6011615 Fiber optic cable having a specified path average dispersion |
| 01/04/2000 | US6011489 Remotely controlled toy and wireless remote operable in a point of sale package |
| 01/04/2000 | CA2118354C Dual-wavelength data transmitter for reducing fading in an optical transmission system |
| 01/04/2000 | CA2059074C Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device |
| 12/30/1999 | DE19828615A1 Wavelength detection or regulation for transmitting element in optical wavelength multiplexed transmission unit |
| 12/30/1999 | DE19828614A1 Transmission method for optical data using optical waveguide |
| 12/30/1999 | CA2270701A1 Wdm optical communications networks and methods for provisioning |
| 12/29/1999 | WO1999067907A1 Method and wavelength selective switching for switching optical wavelengths |
| 12/29/1999 | WO1999067903A1 Telecommunication network |
| 12/29/1999 | WO1999067609A1 Optical network monitor |
| 12/29/1999 | WO1999056417A3 A device and method for wireless data transmission |
| 12/29/1999 | WO1999043117A3 Upgradable, gain flattened fiber amplifiers for wdm applications |
| 12/29/1999 | EP0967752A2 WDM transmission system |
| 12/29/1999 | EP0967743A2 Method and apparatus for optical frequency demodulation of an optical signal using interferometry |
| 12/29/1999 | EP0967698A2 Wavelength stabilised laser device |
| 12/29/1999 | EP0966830A1 Portable communication terminal with infrared link |
| 12/29/1999 | EP0966807A1 Method for converting optical multiplex system channel signal modulation into subcarrier frequencies |
| 12/29/1999 | EP0875105B1 Self-stimulation signal detection in an optical transmission system |
| 12/29/1999 | CN2356450Y Cell power saving radio transmitting and receiving remote controller |
| 12/29/1999 | CN1240074A System for providing location-specific data to user |
| 12/29/1999 | CA2336171A1 Method and wavelength selective switching for switching optical wavelengths |
| 12/28/1999 | USRE36471 Passive optical communication network with broadband upgrade |
| 12/28/1999 | US6009220 Surveillance system for passive branched optical networks |
| 12/28/1999 | US6009076 Repeating installation |
| 12/28/1999 | US6008923 Multiple beam communication network with beam selectivity |
| 12/28/1999 | US6008922 Optical communication system using optical amplifiers with gain dependent on input signal polarization |
| 12/28/1999 | US6008919 Optical receiving apparatus |
| 12/28/1999 | US6008917 Apparatus and method for optical communication |
| 12/28/1999 | US6008916 Distortion penalty measurement technique in optical systems based on signal level adjustment |
| 12/28/1999 | US6008915 Method of identifying faults in WDM optical networks |
| 12/28/1999 | US6008675 Polarization-mode selective semiconductor laser with a bending channel stripe, apparatus including the same and optical communication system using the same |
| 12/28/1999 | CA2165689C Method for low sensitivity optical transmission, transmission device and system for carrying out said method |
| 12/28/1999 | CA2151441C Active-mode-locking optical fibre pulsed laser generator having a variable instantaneous frequency |
| 12/23/1999 | WO1999066664A1 Method and multi-wavelength selective switch for switching and redirection of optical wavelengths |
| 12/23/1999 | WO1999066660A1 Wavelength tailored dispersion compensation apparatus |
| 12/23/1999 | WO1999066610A1 Gain tilt control with mid-stage attenuators in erbium-doped fiber amplifiers |
| 12/23/1999 | WO1999066607A2 Fiber-optic compensation for dispersion, gain tilt, and band pump nonlinearity |
| 12/23/1999 | WO1999066367A1 Modulating retroreflector using multiple quantum well technology |
| 12/23/1999 | DE19827699A1 Wellenlängenstabilisierte Laseranordnung Wavelength stabilized laser arrangement |